AVIXA CTS Question Answer
If the nominal light output of a projector was measured at 5000 ANSI lumens using an f/1.4 lens, what would happen if the lens was changed to an f/2.8 large zoom?
AVIXA CTS Question Answer
If the nominal light output of a projector was measured at 5000 ANSI lumens using an f/1.4 lens, what would happen if the lens was changed to an f/2.8 large zoom?